Can you determine which statements are correct regarding a dihybrid cross between SsYy X SsYy?

The distribution of the two alleles in each parent plant's gametes will be 50% of gametes are sy; 50% of gametes are SY.

A phenotype ratio of 9:3:3:1 in the offspring of a mating of two organisms heterozygous for two traits is expected when the gene pairs assort independently during meiosis.

Following a SsYy x SsYy cross, 3/4 of the offspring will be heterozygous for both traits.

The gametes of a plant of genotype SsYy should have the genotypes SY, Sy, sY, and sy.

In a dihybrid cross, 1/16 of the offspring will be homozygous for both recessive traits.

A phenotype ratio of 9:3:3:1 in the offspring of a mating of two organisms heterozygous for two traits is expected when the gene pairs assort independently during meiosis.

The gametes of a plant of genotype SsYy should have the genotypes SY, Sy, sY, and sy

In a dihybrid cross, 1/16 of the offspring will be homozygous for both recessive traits.

Explanation:

This is is a typical dihybrid cross involving two distinct genes. One gene has alleles S and s, while the other has alleles Y and y.

In a cross between two dihybrids i.e. SsYy × SsYy, each parent will produce gametes with the following possible allelic combinations: SY, Sy, sY and sy.

Using these gametes in a punnet square (see attached image), 16 possible offsprings will be produced when the alleles of each gene assort independently of one another. The phenotypic ratio will be 9:3:3:1, where;

9/16 will be dominant for both genes

3/16 will be dominant for S gene and recessive for gene Y

3/16 will be dominant for Y gene and recessive for gene S

1/16 will be recessive for both genes.

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